The Control Centre metrics collector on each server now upgrades itself with every Piston software update. Enrol a server once from its page in the Control Centre; from then on the collector tracks the Piston build — no copying files to boxes, no keys to look up. Servers already reporting pick up OS-disk reporting (build 896) automatically on this update, so two-drive installs show STOR and OS bars on the dashboard without any manual work
Enrolment is easier too — the server's metrics key and install command are always available on its Control Centre page (previously they vanished once the collector was reporting, which made re-installs a hunt), the installer shows pasted values and checks them before writing anything, and its post-install log no longer mixes stale failures in with a successful first run
